so no offense TMT but you arent very personal in responses, you seem really..text-bookey
anywho
Obviously it seems you're number closing so...
If you are taking too long to escalate later,that means you typically arent escalating fast enough in the initial encounter.
when building attraction remember kino kino kino, playing slap hands, thumb war, touching her knee, her touching your knee, anything physical, memory is drawn on 2 things, smell and physicality.
Think of it this way, do you remember the last stranger you talked to? Probably not, Do you remember the last jackass to push you out of the way in some location? (walmart subway, public bathroom) of course you do, why? because he bumped or pushed you
If you escalate enough on the initial encounter, then even if you wait 3 days to call, they should still be willing to go on a date. And remember, dont let them make a decision, when calling to setup a date, you decide the initial encounter and she comes, "So hey we're going to coffee this weekend" statement, not a choice
So to summarize, Escalate in you initial! Kiss close if you can but if that is not possible Kino!!! Also dont give them the chance to flake, YOU ARE THEIR DESIRE you make the date they dont choose

remember Be Alpha.